VD520 Series Inverter User Manual Product Information
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WARNING
!
● In general condition the inverter cooling fan need to replace for every 2-3 years.
● In general condition the big capacity electrolytic capacitor of inverter need to replace for every 4-5
years.
2.9.4 Inverter Storage
If inverter has to be kept for some time or long time after purchasing, should pay attention to the
following:
WARNING
!
● Do not keep it in high temperature, humid or vibrated place with metal powder, and keep good
ventilation.
● If inverter kept too long without run, the filter capacitor performance will reduce. For every 2years,
the inverter should be powered on to restore the performance of big capacity filter capacitor, check
the inverter function. When power on the inverter, an auto-transformer should be applied to
upgrade voltage, and power-on time should less than 5hr.
2.10 Warranty Introduction
For inverter manufactured by our factory, since the date of manufacture, under normal condition
application, if inverter failed or damaged within warranty period, the manufacturer responsible for
repair. If inverter is without in warranty period, user response for reasonable repair charge.
WARNING
!
● Free warranty only refers to the frequency converter
● Please keep the machine outer packing boxes and other packaging materials, to facilitate future
inverter relocation or repair and other logistics transportation
2.10.1 In the warranty period, the following reasons lead to the failure of the inverter and
damage, the user must bear part of the maintenance costs.
①
The machine failure caused by the user does not use the user manual or beyond the standard
specifications range use;
②
The machine failure caused by the user repair and modify;
③
The machine failure caused by the user custody, maintenance improper.
④
Damage caused when the inverter is used for abnormal function;
⑤
The machine failure due to fires, floods, salt corrosion, corrosive gases, earthquake, storm,
lightning, abnormal voltage or other non resistance caused by damage to the machine.
2.10.2 Relevant service charges will be calculated in accordance with the manufacturer's
unified standard, if there is a contract, it is handled according to the relevant provisions of the
contract.
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